Improvement in finishing the surfaces of plated goods



J. ROGERS. FINISHING THE SURFACE OF PLATED GOODS.

No. 108,940. Patented Nov. 1, 1870.

timid $21M bated om.

JOHN ROGERS, .OF NEWARK, NEW JERSEY, ASSIGNOR TO LIP-PIATT- SILVER PLATE AND ENGRAVING COMPANY, OF NEW YORK CITY.

Letters Patent No. 108,940, dated November 1,-1870.

IMPROVEMENTIN FINISHING THE SURFACES OF PLATE-D GOODS.

The Schedule referred to in these Letters Patent and making-part of the same.

metal, German silver, or other alloy, of which the bodies of articles-are made, was subjected to an acid treatment, the subsequent plating would not have the required frosted appearance.

My invention consists in subj ectiug the article to be plated to a stippling operation under a centrifugal wirki brush, and then plating-the article, whereby a frostec appearance of great beauty'is obtained at a small cost,

and the objectionable look which silver-plated ware generally has in consequence of the undulating burnished surface is done away with; The surface can be brightened after being plated by a second use of the centrifugal wire. brushes.

In the drawing- Figure 1 is a sectional view of the centrifugal brushes, and c Figure 2 is an elevation of the same.

The conical spindle a may be screwedupon. the mandrel of a lathe, and at its end two or more loops, -b b, are formed, receiving the links cof the wire bigushes.

slipped through the link, and a cap, (1, holdsthem in )lace. 1 The wires '1; of the brushes are to be of greater 'or lesser-size, according to the stippling action required; I prefer to use fine brass wir e.'-

The cup, bowl, pitcher, or other article to be silverplated is subjected tothe action of the brushes e, as

they are revolved \vith'great rapidity; hence the stippling action is perfin'med'in a short space of time,-and

the surface roughened t the desired extent.

The article is then-plated with silver, gold, or other metal, in any desired manner, audit the surface of the plating is to bebrightcned', it is easily done by asiniilar revolving brush but generally it'willbe best to use a brush of veryfinc wire 'for this brightening operation.

In cases where portions, of theartiole alte to beleft smooth to form a figure, it maybe done byapplyinga shield overthe part while subjected to the action of the brushes, and this shield uiay be of sheet-metal or other material.

I cl'aiin as my invention I v lh'e method herein specified of finishing the surface of plated-ware, by the joint action plating, substantially aszsct forth.

Signed-this 25th day of August,A D. 1870.

JOHN: ROGERS. Witnesses:

SAM. F. BIGELOW,

E. P. MATTLEY.

'Each brush is made of a bunch of wires folded and of st-ippling and 

